# \#pfc

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## [How to log data to CSV on CC100 SD Card](https://www.wago.community/t/how-to-log-data-to-csv-on-cc100-sd-card/2328)

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**Author:** [@WagoKurt](https://www.wago.community/u/WagoKurt)\
**Replies:** 12\
**Last updated:** [October 5, 2026, 12:13pm UTC](https://www.wago.community/t/how-to-log-data-to-csv-on-cc100-sd-card/2328 "2026-10-05T12:13:45Z")

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This simple example makes use of Coesys 3.5 Libraries, SysFile, SysTypes and SysTimeRtc to datalog every second to a CSV file on an SD Card. This will create a new file when the xRunning variable becomes TRUE. The form…